addrbookFor publishers
← The evidence ledger

Evidence row 3343107

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:314711
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2d7868465a09af0adfddcc53812e1c340a40bd9d514256fa7a363061a02e5948
Leaf
0xc996c307cbcade043544f2f17af2a6d103298ec12fa13ffa810436d885990fdf

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NyurWV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/37648c40-2062-4742-b5eb-0a5a93cae8e1/.well-known/agent-card.json"
    ]
  ],
  "name": "Tumias",
  "owner_address": "0xfe818969f7a3d5bf91758f97db8bb0f07db85a1d",
  "raw": {
    "agent_id": "314711",
    "agent_uri": "https://centralcity.ai/a/NyurWV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tumias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/NyurWV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tumias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/37648c40-2062-4742-b5eb-0a5a93cae8e1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NyurWV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T00:51:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tumias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/NyurWV"
}

What the leaf hashes

{"body":"2d7868465a09af0adfddcc53812e1c340a40bd9d514256fa7a363061a02e5948","id":3343107,"kind":"listing","method":"sync.erc8004/1","observed_us":1793839865539895,"prev":null,"subject":"erc8004:5042:314711","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0xc997a703c7f739714af3779ace2b2eba6835b0735e515f8cad929a29e5db6c53
  2. 0x9ac10dc4efd6beec67419caf9f8bf2d85952c0e9feb0f926ddbe4f8c6c29c5b7
  3. 0xbffd7595cfdeb7f698b9857df2c609d7c4cc0f41c8a0c38b9999cb8a751810f3
  4. 0x32d4243308d5c96b82ef43df46228d277013138eb48b318c653d11c4c809b7fb
  5. 0x089f52bb53d4907ec4bf8e1da2a38c49d069e157e8d47a109376e0bc721e9000
  6. 0x38c13c59830e8fa2057925f05d2099ed64366aa0a3b2637ac9355bebd2d5c691
  7. 0x34aedee598a89d37c9b915616ff7fff1f9531b6ed067a6aa7e13c3f5590abd50
  8. 0x0d86a595ca1769605a5014957fcb501ecc12cd5394d44b2a00ebb388464cd7e0
  9. 0x40d5b7e37e94b3fbb364f775a1bdaaa14aceee168bf1851bbeade4de0280616e
  10. 0x12bdd6e4e48a4eeb15c6e89b019bb9a4989ea7585730e6bbcb18eff73d00157f
  11. 0x3ca0cc3a0abcf0e1fba8e57fd3244428e76498b3ec2088030db95a6552def628
  12. 0xccb029f2c0590595e7f60b6d5aeeff5fa17ecbfcd9251f870a2ab76e4d7edb4d
  13. 0xcf9c86bf65b4a0a75207f5b32a0f35fecd6ba8a456e38a5ce345462fc0b7b0ec
  14. 0xd01459647d40d605c761723e6522a6a8a4f8cfb9e4f0ef03c29b44591ee9d962
  15. 0xa4e56d82ec36b49551d49bd66018a63f06e5a1bf1f57267e4e574643bc111b3a
  16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
  17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
  18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON